using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

            Console.Write("Year: ");

            string strYear = Console.ReadLine();

            int year = Convert.ToInt32(strYear);

            Console.Write("Month: ");

            string strMonth= Console.ReadLine();

            int month = Convert.ToInt32(strMonth);

            var daysInMonth = DateTime.DaysInMonth(year, month);

            List<DateTime> list = new List<DateTime>();

            for (int day = daysInMonth; day > 0; day--)

            {

                DateTime currentDateTime = new DateTime(year, month, day);

                if (currentDateTime.DayOfWeek == DayOfWeek.Saturday)

                {

                    list.Add(currentDateTime);

                }

           }

           var result = list.OrderByDescending(d => d.Date).First();

           Console.WriteLine(result);

    }

}